[INFO] fetching crate bcount 0.1.0...
[INFO] testing bcount-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate bcount 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bcount 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcount 0.1.0
[INFO] finished tweaking crates.io crate bcount 0.1.0
[INFO] tweaked toml for crates.io crate bcount 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c6b4e2e5ac9daaa453ae24ae1c62b11cf02cb61ac3ea18f0ad380b558be9c0d
[INFO] running `Command { std: "docker" "start" "-a" "8c6b4e2e5ac9daaa453ae24ae1c62b11cf02cb61ac3ea18f0ad380b558be9c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c6b4e2e5ac9daaa453ae24ae1c62b11cf02cb61ac3ea18f0ad380b558be9c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6b4e2e5ac9daaa453ae24ae1c62b11cf02cb61ac3ea18f0ad380b558be9c0d", kill_on_drop: false }`
[INFO] [stdout] 8c6b4e2e5ac9daaa453ae24ae1c62b11cf02cb61ac3ea18f0ad380b558be9c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4496b60ab732f57e7be53485f3c19510586c0c116802a476f5bdaa4e8b484795
[INFO] running `Command { std: "docker" "start" "-a" "4496b60ab732f57e7be53485f3c19510586c0c116802a476f5bdaa4e8b484795", kill_on_drop: false }`
[INFO] [stderr]    Compiling bcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "4496b60ab732f57e7be53485f3c19510586c0c116802a476f5bdaa4e8b484795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4496b60ab732f57e7be53485f3c19510586c0c116802a476f5bdaa4e8b484795", kill_on_drop: false }`
[INFO] [stdout] 4496b60ab732f57e7be53485f3c19510586c0c116802a476f5bdaa4e8b484795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e13221c6ccac33aaa3c0ee74cbe59dba4b713fe86b3dee3bee940d32574ccb
[INFO] running `Command { std: "docker" "start" "-a" "17e13221c6ccac33aaa3c0ee74cbe59dba4b713fe86b3dee3bee940d32574ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "17e13221c6ccac33aaa3c0ee74cbe59dba4b713fe86b3dee3bee940d32574ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e13221c6ccac33aaa3c0ee74cbe59dba4b713fe86b3dee3bee940d32574ccb", kill_on_drop: false }`
[INFO] [stdout] 17e13221c6ccac33aaa3c0ee74cbe59dba4b713fe86b3dee3bee940d32574ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7463329a3bd81aeeeafdd24a60cb3beda61e1b2b72ed67f9e3f6349372bd8aff
[INFO] running `Command { std: "docker" "start" "-a" "7463329a3bd81aeeeafdd24a60cb3beda61e1b2b72ed67f9e3f6349372bd8aff", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bcount-2af92f0798f71f07)
[INFO] [stdout] test tests::count ... ok
[INFO] [stdout] test tests::non_mutable ... ok
[INFO] [stdout] test tests::overflow ... ok
[INFO] [stdout] test tests::reset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bcount
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7463329a3bd81aeeeafdd24a60cb3beda61e1b2b72ed67f9e3f6349372bd8aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7463329a3bd81aeeeafdd24a60cb3beda61e1b2b72ed67f9e3f6349372bd8aff", kill_on_drop: false }`
[INFO] [stdout] 7463329a3bd81aeeeafdd24a60cb3beda61e1b2b72ed67f9e3f6349372bd8aff